November 28, 2025PLoS PathogensOpen Access

Zoonotic hepatitis E virus spreads through environmental routes in pig herds–A phylodynamic analysis

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Phylodynamic analysis reveals increased hepatitis E virus transmission in pig herds, highlighting biosecurity's role in mitigating zoonotic risk.

Effective reproduction number (R e ) of 3.6 indicates efficient transmission within a compartment.
Phylogenetic analysis revealed clustering of hepatitis E virus across separated pens and batches.
A combination of environmental persistence and various transmission routes explains the widespread infection.
Enhanced biosecurity measures are critical for reducing the zoonotic risk posed by hepatitis E virus in farms.

Meester et al. (2025) studied this question.

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Phylodynamic analysis reveals increased hepatitis E virus transmission in pig herds, highlighting biosecurity's role in mitigating zoonotic risk.